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Archives of Microbiology, 2002      Alkane-1,2-diol-based glycosides and fatty glycosides and wax esters in Roseiflexus castenholzii and hot spring microbial mats
Marcel T. J. van der Meer, Stefan Schouten, Satoshi Hanada, Ellen C. Hopmans, Jaap S. Sinninghe Damsté, David M. Ward
Archives of Microbiology, 2002

The lipid composition of Roseiflexus castenholzii, a thermophilic filamentous phototrophic bacterium related to uncultivated filamentous phototrophic bacteria that predominate in hot spring microbial mats, is reported. R. castenholzii lipid extracts were dominated by components characterized by alkane-1-ol-2-alkanoate moieties glycosidically bonded to a C6 sugar. Similar fatty glycosides, with an additional fatty acid esterified, were detected by HPLC-MS. R. castenholzii also produces a suite of wax esters ranging from 37 to 40 carbon atoms in length. In lipid extracts from two nonsulfidic hot spring microbial mats, similar alkane-1,2-diol-based lipids were detected in minor amounts. R. castenholzii lipids are compared to lipids of mats and other thermophilic mat isolates.

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